21291693120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7392949}}^1$

素因数の和:7392972

約数の個数: 84

約数和(自身を含む): 73234562700

約数和(自身を除く): 51942869580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7392949, 14785898, 22178847, 29571796, 36964745, 44357694, 59143592, 66536541, 73929490, 88715388, 110894235, 118287184, 133073082, 147858980, 177430776, 221788470, 236574368, 266146164, 295717960, 332682705, 354861552, 443576940, 473148736, 532292328, 591435920, 665365410, 709723104, 887153880, 1064584656, 1182871840, 1330730820, 1419446208, 1774307760, 2129169312, 2365743680, 2661461640, 3548615520, 4258338624, 5322923280, 7097231040, 10645846560, 21291693120]

約数ペア:

[(1, 21291693120), (2, 10645846560), (3, 7097231040), (4, 5322923280), (5, 4258338624), (6, 3548615520), (8, 2661461640), (9, 2365743680), (10, 2129169312), (12, 1774307760), (15, 1419446208), (16, 1330730820), (18, 1182871840), (20, 1064584656), (24, 887153880), (30, 709723104), (32, 665365410), (36, 591435920), (40, 532292328), (45, 473148736), (48, 443576940), (60, 354861552), (64, 332682705), (72, 295717960), (80, 266146164), (90, 236574368), (96, 221788470), (120, 177430776), (144, 147858980), (160, 133073082), (180, 118287184), (192, 110894235), (240, 88715388), (288, 73929490), (320, 66536541), (360, 59143592), (480, 44357694), (576, 36964745), (720, 29571796), (960, 22178847), (1440, 14785898), (2880, 7392949)]